PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26-501Cutter,milling,commutator Mica

Ideal Industries, Inc. · NSN 4940-00-287-3217 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-287-3217 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-287-3217. Primary manufacturer part number: 26-501.
Features
  • Cutter,milling,commutator Mica — FSC 4940
  • Thickness: 0.015 INCHES NOMINAL IN
  • Material: STEEL
  • Outside Diameter: 0.875 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.312 INCHES NOMINAL IN
  • Cut Shape: U-SLOT
  • 2 verified cross-references
  • Primary manufacturer: Ideal Industries, Inc.
Applications
  • Applications requiring Steel construction
General Description

The Cutter,milling,commutator Mica, cataloged under National Stock Number 4940-00-287-3217, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Ideal Industries, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4940-00-287-3217
Primary Part Number26-501
Item NameCutter,milling,commutator Mica
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerIdeal Industries, Inc.
StatusACTIVE
Thickness0.015 INCHES NOMINAL IN
MaterialSTEEL
Outside Diameter0.875 INCHES NOMINAL IN
Mounting Hole Diameter0.312 INCHES NOMINAL IN
Cut ShapeU-SLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-032-815726501 INTERCHANGEABLE
Seal,rubber,fuel
Parker Hannifin Corporation Div Aerospace Group Headquarters
4940-00-204-0319 INTERCHANGEABLE
Undercutter,armature Mica,electr
6250-00-249-6586 INTERCHANGEABLE
Lampholder
4940-00-270-159410T INTERCHANGEABLE
Undercutter,armature Mica,electr
Rjk Corp
4940-00-273-370426-153 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-273-370526-155 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-278-980826-055 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-287-321826-503 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-287-321926-502 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-287-322126-504 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
MILU17148 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
26-501 PRIMARY Ideal Industries, Inc. (USA)
Related Parts
5330-00-032-8157INTERCHANGEABLE
SEAL,RUBBER,FUEL
26501
4940-00-204-0319INTERCHANGEABLE
UNDERCUTTER,ARMATURE MICA,ELECTR
6250-00-249-6586INTERCHANGEABLE
LAMPHOLDER
4940-00-270-1594INTERCHANGEABLE
UNDERCUTTER,ARMATURE MICA,ELECTR
10T
4940-00-273-3704INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-153
4940-00-273-3705INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-155
4940-00-278-9808INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-055
4940-00-287-3218INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-503
4940-00-287-3219INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-502
4940-00-287-3221INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-504
4940-00-287-3222INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-507
4940-00-287-3223INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-506

Frequently Asked Questions

What is NSN 4940-00-287-3217?

NSN 4940-00-287-3217 is a Cutter,milling,commutator Mica, manufactured by Ideal Industries, Inc., classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-287-3217?

NSN 4940-00-287-3217 has 2 cross-referenced part numbers: MILU17148 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 26-501 (Ideal Industries, Inc.).

What NSN replaces 4940-00-287-3217?

There are 12 known substitutes for 4940-00-287-3217: 5330-00-032-8157, 4940-00-204-0319, 6250-00-249-6586 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26-501?

Key specifications for 26-501: Thickness: 0.015 INCHES NOMINAL IN; Material: STEEL; Outside Diameter: 0.875 INCHES NOMINAL IN; Mounting Hole Diameter: 0.312 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com